Base | Representation |
---|---|
bin | 11000010001100… |
… | …111010000101010 |
3 | 1001101100111000110 |
4 | 120101213100222 |
5 | 1313230123232 |
6 | 104225115150 |
7 | 13043512245 |
oct | 3021472052 |
9 | 1041314013 |
10 | 407270442 |
11 | 199991347 |
12 | b4488ab6 |
13 | 664b8937 |
14 | 3c13825c |
15 | 25b4cacc |
hex | 1846742a |
407270442 has 16 divisors (see below), whose sum is σ = 815476032. Its totient is φ = 135600960.
The previous prime is 407270399. The next prime is 407270443. The reversal of 407270442 is 244072704.
It is not an unprimeable number, because it can be changed into a prime (407270443) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33238 + ... + 43809.
It is an arithmetic number, because the mean of its divisors is an integer number (50967252).
Almost surely, 2407270442 is an apocalyptic number.
407270442 is an abundant number, since it is smaller than the sum of its proper divisors (408205590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
407270442 is a wasteful number, since it uses less digits than its factorization.
407270442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77933.
The product of its (nonzero) digits is 12544, while the sum is 30.
The square root of 407270442 is about 20180.9425448863. The cubic root of 407270442 is about 741.2436125435.
The spelling of 407270442 in words is "four hundred seven million, two hundred seventy thousand, four hundred forty-two".
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